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Keithley 220 Programmable Current Source



 
Our Price: $1,495.00

Quantity in Stock:2
Product Code: KEITHLEY-220
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Description Technical Specs
 
Description:
 The Model 220 Current Source is an economical, programmable solution for precision sourcing of DC current. Constant current sources are needed when a device or material is best characterized by controlling the current through it, rather than the voltage across it. Examples are biasing transistor gates with fixed current, making hall effect measurements, and measuring low and high resistances. The Model 220 provides high accuracy and low noise in measurements where currents between 1pA and 100mA are required and programmability is needed.

This unit has the following specifications:

Output Capacitance: < 20 pF
Voltage Limit: Bipolar, 1 to 105 volts in 1 V programmable steps
Output Load: must be non/inductive
Program Memory:
Number of Locations: 100
Rane of dwell Times: 3 ms to 999.9 s
External Trigger: TTL/compatible External Trigger Input and Output
Output Connections: Teflon insulated 2/lug triax connector (Specialty Connector #30JR121/1) for output; five/way binding posts for GUARD, OUTPUT COMMON, and CHASSIS; BNC (chassis isolated) connectors for EXTERNAL TRIGGER INPUT and OUTPUT, Amphenol or Cinch Series 87 IEEE and printed circuit digital I/O port. All connections on rear panel
Display: 0.5 in LED digits, 4 ½/digit signed mantissa, 1/digit signed exponent
Built/in IEEE/488

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